text: import React from 'react';
  import {Link} from 'react-router';
  
  
  class App extends React.Component {
      render(){
          return(
              <div>
                  <ul className="nav nav-pills">
                      <li role="presentation"><Link to="/">Home</Link></li>
                      <li role="presentation"><Link to="poll">Poll</Link></li>
                      <li role="presentation"><Link to="about">About Us</Link></li>
                  </ul>
                  <div>
                      {this.props.children}
                  </div>
              </div>
          );
      }
  }
  
  export default App;
  